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The hour (common symbol: h or hr, h being the international form of the symbol) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 second ..more definition+
In relation to the base unit of [time] => (seconds), 1 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Hours (hr) = 3600 seconds.| 87400 Sidereal Years | to common time units |
|---|---|
| 87400 Sy | = 2758182266649.6 seconds (s) |
| 87400 Sy | = 45969704444.16 minutes (min) |
| 87400 Sy | = 766161740.736 hours (hr) |
| 87400 Sy | = 31923405.864 days (day) |
| 87400 Sy | = 4560486.552 weeks (wk) |
| 87400 Sy | = 87461.385928767 years (yr) |
| 87400 Sy | = 1049536.6311452 months (mo) |
| 87400 Sy | = 8745.0293806265 decades (dec) |
| 87400 Sy | = 874.50293806265 centuries (cent) |
| 87400 Sy | = 87.450293806265 millenniums (mill) |